package org.ttjhome.html.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class EncodingFilter implements Filter{



	private FilterConfig filterConfig;
	private String targetEncoding;

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest)request;
		HttpServletResponse res = (HttpServletResponse)response;
	    req.setCharacterEncoding(targetEncoding);
	    res.setCharacterEncoding(targetEncoding);
		chain.doFilter(request, response);
	}

	public void init(FilterConfig config) throws ServletException {
		this.filterConfig = config;
        this.targetEncoding = config.getInitParameter("encoding");
	}

}
